Electric plug



FIG. 1 is a side elevation of the article the subject of the application;

FIG. 2 is a view from Arrow A of FIG. 1;

FIG. 3 is a top plan view of the article;

FIG. 4 is a bottom plan view of the article;

FIG. 5 is perspective view of the article; and,

FIG. 6 is a side elevation viewed from the opposite side to FIG. 1. 

The ornamental design for an electric plug, as shown. 